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init启动流程 - Coggle Diagram

- - - - start vold
        Once metadata has been mounted, we'll need vold to deal with userdata checkpointing
    - - exec - system system -- /system/bin/vdc checkpoint markBootAttempt
      - mount rootfs rootfs / remount bind ro nodev
      - 创建 cache\proc\sys\metadata 等目录及权限
    - - /device/qcom/kona/init.target.rc
        start hwservicemanager
      - mount_all /vendor/etc/fstab.qcom --early
        
        /system/core/init/builtins.cpp：
        do_mount_all
        
        queue_fs_event:
        unencrypted
        userdata 不加密情况下才触发
        
        class_start main
        class_start late_start
        加密情况下，需要在后期再 start
    - - class_start early_hal
        HALs required before storage encryption can get unlocked (FBE/FDE)
    - - exec - system system -- /system/bin/vdc checkpoint prepareCheckpoint
      - 更改 data 分区权限
        创建、挂载 data 下目录
      - installkey /data
        bootchart start
      - exec_start apexd-snapshotde
    - - load_persist_props
        
        builtins.cpp：
        do_load_persist_props
        加载 data 下的 persist 属性
      - start logd
    - - 根据 persist.sys.fuse 挂载对应路径
    - - rm /dev/.booting
        Indicate to fw loaders that the relevant mounts are up
    - - 写节点
        更改文件权限
      - 设置属性值
      - class_start hal
        class_start core
- - - - FirstStageMount::CreateLogicalPartitions()
        
        NeedSnapshotsInFirstStageMount
        ReadUpdateState:
        Unverified/Merging/MergeFailed
        
        CreateLogicalAndSnapshotPartitions